Book bag



FIG. 1 is a front perspective view of a book bag;

FIG. 2 is a front elevational view of the book bag;

FIG. 3 is a left side elevational view of the book bag;

FIG. 4 is a right side elevational view of the book bag;

FIG. 5 is a top plan view of the book bag without a strap shown;

FIG. 6 is a back elevation view of the book bag;

FIG. 7 is a lower plan view (bottom) of the book bag shown without thestrap;

FIG. 8 is a front elevation view of the book bag in a first open statewithout the strap shown;

FIG. 9 is a front perspective view of the book bag in the second openstate without the strap shown;

FIG. 10 is a front perspective view of the book bag in the second openstate with removable pockets attached thereto; and,

FIG. 11 is a front perspective view of the book back in the second openstate with the removable pockets removed therefrom.

The broken lines showing the details of the circular latch in FIGS. 1,2, 3, 4, 5, 7, 8 and the removable pocket in FIGS. 10, 11 are forillustrative purposes only and form no part of the claimed design.

I claim the ornamental design for a book bag, as shown.